Run haxe compiler
Error: Error: Cannot process [arcade]: Library arcade is not installed : run 'haxelib install arcade'
Error when running clay run with target windows. (status = 1)
PS C:\devel\ceramic-samples\pixel-platformer> haxelib install arcade
Error: Failed with error: No such Project : arcade
PS C:\devel\ceramic-samples\pixel-platformer> ceramic clay libs                        
Error: Failed with error: No such Project : arcade
Failed to install arcade

Now the arcade plugin seems to be missing from haxelib